Lu, Xijin, and Changxi Ma. “The Impact of Inter-City Traffic Restriction on COVID-19 Transmission from Spatial Econometric Perspective”. Promet - Traffic&Transportation 33, no. 5 (October 8, 2021): 705–716. Accessed August 26, 2025. https://traffic2.fpz.hr/index.php/PROMTT/article/view/2959.